CN209998952U - small-diameter titanium tube inner wall polishing device - Google Patents
small-diameter titanium tube inner wall polishing device Download PDFInfo
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- CN209998952U CN209998952U CN201920616409.4U CN201920616409U CN209998952U CN 209998952 U CN209998952 U CN 209998952U CN 201920616409 U CN201920616409 U CN 201920616409U CN 209998952 U CN209998952 U CN 209998952U
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Abstract
The utility model belongs to titanium pipe inner wall polishing field, concretely relates to minor diameter titanium pipe inner wall burnishing device, minor diameter titanium pipe inner wall burnishing device, including motor and polishing subassembly, polishing subassembly includes transmission shaft, bearing, outer sleeve, second bearing and throwing aureola, the end of transmission shaft with the motor is connected, another end of transmission shaft with it connects to throw the aureola, the transmission shaft is placed in the outer sleeve, bearing and second bearing set up on the transmission shaft, be provided with check ring in the middle of outer sleeve and the bearing, be provided with the second check ring in the middle of outer sleeve and the second bearing, the utility model discloses a burnishing device has fixed burnishing device is applicable to the less tubular product inner wall polishing of diameter and handles the advantage, has plug-in burnishing device simultaneously again and does not receive space, environmental impact's advantage.
Description
Technical Field
The utility model belongs to titanium pipe inner wall polishing field, concretely relates to kinds of minor diameter titanium pipe inner wall burnishing devices.
Background
Titanium and its alloy have density little, specific strength high, corrosion resistance good, high temperature resistant, sound transmission, non-magnetic, formability and excellent performance such as weldability, etc., have been applied to various fields such as aerospace, medicine, shipping, petrochemical, desalination of sea water and nuclear power industry at present, etc. titanium heat exchanger is kinds of heat exchange equipment made of high-quality titanium material, transmit part of the heat of the hot fluid to the cold fluid, in order to guarantee the quality of connection between titanium tube and tube plate of the titanium heat exchanger, need to carry on the expansion joint to connect and fix between the titanium tube and tube plate, and the factor influencing the quality of expansion joint is mainly the processing dimensional accuracy and surface quality of the tube hole of the tube plate, size accuracy and surface quality of the titanium heat exchanger tube, therefore how to deal with the surface roughness of inner wall of titanium tube has very important meaning to its quality control of expansion joint.
The existing titanium tube inner wall polishing device mainly comprises two types, is a fixed type polishing device, namely a polishing device and a tube are fixed on a working table frame, a motor is started to sleeve a tube port on the polishing device during working, and the tube moves axially to finish the polishing work of the tube inner wall, and the other type is an inserted type polishing device, namely, abrasive paper is adhered to the outer side of an inserted type vibrator and fixed with a connecting rod.
Disclosure of Invention
In order to solve the problem, the utility model provides an kind minor diameter titanium pipe inner wall burnishing device, the utility model discloses a burnishing device has fixed burnishing device and is applicable to the less tubular product inner wall polishing of diameter and handles the advantage, has bayonet burnishing device advantage that does not receive space, environmental impact simultaneously again.
minor diameter titanium pipe inner wall burnishing device, including motor and polishing subassembly, polishing subassembly includes transmission shaft, bearing, outer sleeve, second bearing and throwing aureola, the end of transmission shaft with the motor is connected, the end in addition of transmission shaft with it connects to throw aureola, the transmission shaft is placed in the outer sleeve, bearing and second bearing set up on the transmission shaft, be provided with snap ring in the middle of outer sleeve and the bearing, be provided with the second snap ring in the middle of outer sleeve and the second bearing.
, a end of the transmission shaft is provided with a th step, a transmission shaft adjacent to the th step is provided with a second step, the diameter of the second step is larger than that of the th step, the other end of the transmission shaft is provided with a thread, a transmission shaft adjacent to the thread is provided with a third step, the diameter of the second step is the same as that of the third step, the motor is fixedly connected with an th step of the transmission shaft, the thread is in threaded connection with the polishing wheel, the bearing is arranged on the second step of the transmission shaft, and the second bearing is arranged on the third step of the transmission shaft.
, the inner wall of the outer sleeve is provided with a stop groove and a second stop groove, the stop ring is arranged in the stop groove and positioned at the periphery of the bearing, and the second stop ring is arranged in the second stop groove and positioned at the periphery of the bearing.
Has the advantages that:
1) the polishing device for the inner wall of the titanium pipe with the diameter designed by the utility model has the advantage that the fixed polishing device can polish the inner wall of the titanium pipe with the small diameter, and the fixed polishing device is not required to have the requirements of a special working rack and a special field; the polishing device has the advantages that the insertion type polishing device is not restricted by space conditions, free in working environment and convenient to move and operate, and can also solve the problem that the insertion type polishing device can only polish a pipe with a relatively large diameter and cannot polish the inner wall of a pipe with a small diameter;
2) the outer sleeve and the transmission shaft of the polishing device for the inner wall of the titanium pipe with the diameter designed by the utility model can be adjusted and designed according to the requirements of the inner diameter of the titanium pipe and the polishing length range so as to meet the polishing requirement of the inner wall of the smaller titanium pipe; the larger the inner diameter of the titanium tube to be polished is, the larger the specification and the size of an outer sleeve of the polishing device and related parts are; the smaller the inner diameter of the titanium tube to be polished is, the smaller the outer diameter of an outer sleeve of the polishing device and the specified size of related parts are correspondingly reduced; the longer the length range of the inner wall of the titanium tube to be polished is, the longer the length of a transmission shaft and an outer sleeve of the polishing device is;
drawings
FIG. 1 is a schematic view of kinds of small-diameter titanium tube inner wall polishing devices.
In the figure, the polishing wheel comprises a motor 1, a transmission shaft 2, a stop ring 3, a bearing 4, an outer sleeve 5, a second bearing 6, a second stop ring 7 and a polishing wheel 8.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1, minor diameter titanium pipe inner wall polishing devices include a motor 1 and a polishing component, the polishing component includes a transmission shaft 2, a bearing 4, an outer sleeve 5, a second bearing 6 and a polishing wheel 8, the end of the transmission shaft 2 is connected with the motor 1, the other end of the transmission shaft 2 is connected with the polishing wheel 8, the transmission shaft 2 is placed in the outer sleeve 5, the bearing 4 and the second bearing 6 are arranged on the transmission shaft 2, a stop ring 3 is arranged between the outer sleeve 5 and the bearing 4, and a second stop ring 7 is arranged between the outer sleeve 5 and the second bearing 6.
The polishing machine is characterized in that the end of the transmission shaft 2 is provided with a th step, the transmission shaft 2 adjacent to the th step is provided with a second step, the diameter of the second step is larger than that of the th step, the other end of the transmission shaft 2 is provided with a thread, the transmission shaft 2 adjacent to the thread is provided with a third step, the diameter of the second step is the same as that of the third step, the motor 1 is fixedly connected with the th step of the transmission shaft 2, the thread is in threaded connection with the polishing wheel 8, the th bearing 4 is installed on the second step of the transmission shaft 2, and the second bearing 6 is installed on the third step of the transmission shaft 2.
The inner wall of the outer sleeve 5 is provided with th stop grooves and second stop grooves, the th stop ring 3 is positioned in the th stop groove and positioned at the periphery of the th bearing 4, and the second stop ring 7 is positioned in the second stop groove and positioned at the periphery of the second bearing 6.
method for manufacturing polishing device for inner wall of small diameter titanium tube, comprising the following steps:
a: processing the transmission shaft 2;
1) preparing materials, namely selecting 45# round steel with phi 10 or phi 12;
2) processing the round steel into a polished rod by using a turning tool;
processing the round steel into a smooth rod with the diameter of 7.5 mm and the length of 300 mm;
3) processing steps at two ends of the optical rod by using a turning tool;
processing a th step connected with the motor at the end of the optical rod, processing a thread connected with the polishing wheel 8 at the other end of the optical rod, processing a second step for installing a th bearing 4 on the optical rod adjacent to the th step, and processing a third step for installing a second bearing 6 on the optical rod adjacent to the thread;
the size of the th step is phi 4.5 and the length of the th step is 30mm, the size of the thread is M3 and the length of the thread is 15mm, the sizes of the second step and the third step are both phi 5.5 and the length of the third step is 10mm, and the size of the optical rod section between the second step and the third step is phi 7.5 and the length of the optical rod section is 220 mm;
4) quenching and tempering the processed polished rod;
5) after the quenching and tempering, carrying out fine grinding forming on the second step, the third step and the optical rod section between the second step and the third step;
b: machining the outer sleeve 5
1) Preparing materials, namely selecting a titanium pipe with the diameter of 12 mm by 1 mm;
2) cutting and blanking the titanium pipe;
cutting and blanking the titanium pipe into pipes with phi 12 multiplied by 1 and 245mm long;
3) processing two ends of the titanium tube by a turning tool, sizing, deburring and forming;
4) processing th stop grooves and second stop grooves on the inner walls of the two ends of the titanium pipe;
the th stop groove and the second stop groove are both phi 10.8 in size and 1.7mm in width, and the distance between the two grooves is 230mm, so that the subsequent installation and fixation of the outer sleeve 5, the connecting shaft 2, the th stop ring 3, the th bearing 4, the second bearing 6 and the second stop ring 7 are met;
c: assembly
1) Assembling after preparing all parts, mounting the th bearing 4 on the second step of the transmission shaft 2, and mounting the second bearing 6 on the third step of the transmission shaft 2;
2) the transmission shaft 2 provided with the th bearing 4 and the second bearing 6 is arranged in the outer sleeve 5;
3) stopping ring) is placed in a stopping groove on the inner wall of the outer sleeve 5, and a second stopping ring 7 is placed in a second stopping groove on the inner wall of the outer sleeve 5, wherein a stopping ring 3 is positioned in a stopping groove and at the periphery of a bearing 4, and a second stopping ring 7 is positioned in a second stopping groove and at the periphery of a second bearing 6, so that the stopping purpose is achieved;
4) screwing and fixing the polishing wheel 8 on the thread at the end part of the transmission shaft 2;
5) the motor 1 is connected with the th step of the transmission shaft 2.
method for polishing inner wall of titanium tube by using small diameter titanium tube inner wall polishing device, comprising the following steps:
1) placing a titanium tube to be polished on a simple platform with the height of about 0.8m, and enabling the end face of the end of the titanium tube to be vertical to the horizontal plane;
2) a polishing wheel 8 of a polishing device for the inner wall of the small-diameter titanium tube extends into the titanium tube, and is pulled back and forth for 3-4 times at a constant speed along the length direction of the titanium tube after a motor switch is started, wherein the polishing roughness Ra is less than or equal to 0.8 mu m;
3) taking out the small-diameter titanium tube inner wall polishing device from the titanium tube;
4) and (3) after polishing, performing polishing degree inspection on the inner wall of the titanium tube:
a: the inner wall of the titanium tube after polishing is inspected by a strong light flashlight, and the polishing quality is confirmed;
b: checking the polishing length by using a depth gauge to confirm that the polishing range of the titanium tube meets the technical requirement;
c: and (4) using the roughness comparison sample block to confirm that the quality of the inner wall of the polished titanium tube meets the technical requirements.
The length of the drive shaft 2 and the outer sleeve 5 can be increased or decreased as required by the polishing work.
For the polishing treatment of the inner wall of the titanium tube without a special site or under the condition of a tense site, the polishing device for the inner wall of the titanium tube with the small diameter has better solutions, has lower requirements on operators but higher efficiency, and has better quality of the inner surface of the polished titanium tube so as to meet the related technical requirements.
When the polishing quality can not meet the technical requirements, the polishing quality can meet the relevant technical requirements by properly increasing or reducing the number of times that the transmission shaft 2 is drawn back and forth in the titanium tube along the length direction of the tube during polishing.
The utility model discloses a minor diameter titanium pipe inner wall burnishing device, its polishing surface quality can satisfy relevant technical requirement, and minor diameter titanium pipe inner wall burnishing device's structural dimension and polishing length can require the specification and dimension to the relevant spare part of burnishing device to adjust the design according to titanium pipe internal diameter size and polishing length range to satisfy the polishing requirement of titanium pipe inner wall. The larger the inner diameter of the titanium tube to be polished is, the larger the specification and the size of an outer sleeve of the polishing device and related parts are; the smaller the inner diameter of the titanium tube to be polished is, the smaller the outer diameter of the outer sleeve of the polishing device and the specified size of related parts are correspondingly reduced, and the purpose can be achieved. The longer the length range of the inner wall of the titanium tube to be polished is, the longer the length of the transmission shaft and the outer sleeve of the polishing device is, and the longer the transmission shaft and the outer sleeve can be.
The utility model discloses minor diameter titanium pipe inner wall burnishing device, existing fixed burnishing device is applicable to the ability that the titanium pipe inner wall that the diameter is less and a large amount is more polishes in batches, need not special work rack and special place, it does not receive space condition restraint to have bayonet burnishing device again simultaneously, operational environment is free, the convenient advantage of removing the operation, therefore, to titanium pipe inner wall polishing under the comparatively nervous condition in special place or place of nothing, novel minor diameter titanium pipe inner wall burnishing device should be the solution of preferred, its requirement to operating personnel is lower but efficiency is higher, and titanium pipe internal surface quality after the polishing is better, can satisfy relevant technical requirement.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
- The polishing device for the inner wall of the small-diameter titanium pipe is characterized by comprising a motor (1) and a polishing assembly, wherein the polishing assembly comprises a transmission shaft (2), a -th bearing (4), an outer sleeve (5), a second bearing (6) and a polishing wheel (8), the end of the transmission shaft (2) is connected with the motor (1), the other end of the transmission shaft (2) is connected with the polishing wheel (8), the transmission shaft (2) is placed in the outer sleeve (5), the -th bearing (4) and the second bearing (6) are arranged on the transmission shaft (2), a -th stop ring (3) is arranged between the outer sleeve (5) and the -th bearing (4), and a second stop ring (7) is arranged between the outer sleeve (5) and the second bearing (6).
- 2. The kind of small diameter titanium tube inner wall burnishing devices of claim 1, characterized in that, end of the transmission shaft (2) is equipped with th step, the transmission shaft (2) next to th step is equipped with the second step, the diameter of the second step is greater than th step, the other end of the transmission shaft (2) is equipped with screw thread, the transmission shaft (2) next to the screw thread is equipped with the third step, the diameter of the second step and the third step is the same, the motor (1) is fixedly connected with th step of the transmission shaft (2), the screw thread is connected with burnishing wheel (8), the bearing (4) is installed on the second step of the transmission shaft (2), the second bearing (6) is installed on the third step of the transmission shaft (2).
- 3. kinds of small diameter titanium tube inner wall polishing device according to claim 2, characterized in that, the outer sleeve (5) has stopping grooves and second stopping grooves on its inner wall, the stopping ring (3) is located in the stopping grooves and around the bearing (4), the second stopping ring (7) is located in the second stopping grooves and around the second bearing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616409.4U CN209998952U (en) | 2019-04-30 | 2019-04-30 | small-diameter titanium tube inner wall polishing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616409.4U CN209998952U (en) | 2019-04-30 | 2019-04-30 | small-diameter titanium tube inner wall polishing device |
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| CN209998952U true CN209998952U (en) | 2020-01-31 |
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| CN201920616409.4U Active CN209998952U (en) | 2019-04-30 | 2019-04-30 | small-diameter titanium tube inner wall polishing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103128A (en) * | 2019-04-30 | 2019-08-09 | 南京宝色股份公司 | A kind of minor diameter titanium tube polishing device for inner wall, its manufacturing method and polishing method |
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2019
- 2019-04-30 CN CN201920616409.4U patent/CN209998952U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103128A (en) * | 2019-04-30 | 2019-08-09 | 南京宝色股份公司 | A kind of minor diameter titanium tube polishing device for inner wall, its manufacturing method and polishing method |
| CN110103128B (en) * | 2019-04-30 | 2024-04-26 | 南京宝色股份公司 | Polishing device for inner wall of small-diameter titanium tube, manufacturing method thereof and polishing method |
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